<div class="one-div"></div>
<style>
/* From Uiverse.io by vikas7754 - Tags: bubble, drop, water drop */
.one-div {
  position: relative;
  width: 150px;
  height: 150px;
  background: transparent;
  border-radius: 57% 43% 37% 63% / 45% 52% 48% 52%;
  box-shadow: inset 10px 10px 10px rgba(0, 0, 0, 0.05), 
                      15px 25px 10px rgba(0, 0, 0, 0.1), 
                      15px 20px 20px rgba(0, 0, 0, 0.05), 
                inset -10px -10px 15px rgba(237, 237, 237, 0.9);
  animation: anim 1s infinite alternate;
}

.one-div:before {
  content: '';
  position: absolute;
  left: 25px;
  top: 35px;
  width: 20px;
  height: 20px;
  border-radius: 42% 58% 37% 63% / 40% 43% 57% 60%;
  background: #FFF
}

.one-div:after {
  content: '';
  position: absolute;
  left: 60px;
  top: 25px;
  width: 10px;
  height: 10px;
  border-radius: 42% 58% 37% 63% / 40% 43% 57% 60%;
  background: #ffffff
}

@keyframes anim {
  0% {
    transform: translateY(0);
    height: 150px;
    width: 150px;
  }

  100% {
    transform: translateY(40px);
    height: 135px;
    width: 160px;
  }
}
</style>
